General

  • Target

    a104b850a27f199bc9f838408d09c5523292eaf7271cc44b159ed27472ea5481

  • Size

    4.5MB

  • Sample

    240621-wqyhpsyfre

  • MD5

    bd2996dba83f791d96a30f366d244a80

  • SHA1

    7e21fbc6064acc21449a6a636efdd6ab5aaeccc8

  • SHA256

    a104b850a27f199bc9f838408d09c5523292eaf7271cc44b159ed27472ea5481

  • SHA512

    a9cc65ffb687e551f8c19604161104dc07b9ccfb73f75f4f41990c88d7cd2a187e19f84a379dfeacd0d17ee59c4f420f13a42c218aadd9acd26e9d62805ec3a5

  • SSDEEP

    98304:mIAK4IOsNXbqUjeq7GGT1/unJyoE5RjHRpkTD9eFM5YrVwJ4sd7iBE+:VZxOsNbqbq91mJyoE7UQMGy/+

Malware Config

Extracted

Family

socks5systemz

C2

bxpkydy.com

http://bxpkydy.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff718c9ec969f3d

http://bxpkydy.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12eab517aa5c96bd86ee92864b895a8bbc896c58e713bc90c91f36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9332ce6c9310

bxeqoxp.com

http://bxeqoxp.com/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff718c9ec969f3c

http://bxeqoxp.com/search/?q=67e28dd8380ffb281106fa1d7c27d78406abdd88be4b12eab517aa5c96bd86ec9d854d895a8bbc896c58e713bc90c91936b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9332ce6c9311

Targets

    • Target

      a104b850a27f199bc9f838408d09c5523292eaf7271cc44b159ed27472ea5481

    • Size

      4.5MB

    • MD5

      bd2996dba83f791d96a30f366d244a80

    • SHA1

      7e21fbc6064acc21449a6a636efdd6ab5aaeccc8

    • SHA256

      a104b850a27f199bc9f838408d09c5523292eaf7271cc44b159ed27472ea5481

    • SHA512

      a9cc65ffb687e551f8c19604161104dc07b9ccfb73f75f4f41990c88d7cd2a187e19f84a379dfeacd0d17ee59c4f420f13a42c218aadd9acd26e9d62805ec3a5

    • SSDEEP

      98304:mIAK4IOsNXbqUjeq7GGT1/unJyoE5RjHRpkTD9eFM5YrVwJ4sd7iBE+:VZxOsNbqbq91mJyoE7UQMGy/+

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks